CVE-2023-54156

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.20% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 10.8% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Deferred. NVD last modified this record on 2026-08-04.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-12-24 13:07Z8 MO AGO

Last updated

2026-08-05 09:17Z1 MO AGO

Reserved

2025-12-24

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

da32c5cf08ee4ece1fbca261de2646e8d7a48048668b6813b16cb64f35bac00a

• git.kernel.orghttps://git.kernel.org/stable/c/cb1aa7cc562cab6a87ea33574c8c65f2d2fd7aeb
• git.kernel.orghttps://git.kernel.org/stable/c/91f4ef204e731565afdc6c2a7fcf509a3fd6fd67
• git.kernel.orghttps://git.kernel.org/stable/c/446f5567934331923d0aec4ce045e4ecb0174aae
• git.kernel.orghttps://git.kernel.org/stable/c/470152d76b3ed107d172ea46acc4bfa941f20b4b
• git.kernel.orghttps://git.kernel.org/stable/c/aba32b4c58112960c0c708703ca6b44dc8944082
• git.kernel.orghttps://git.kernel.org/stable/c/d1b355438b8325a486f087e506d412c4e852f37b